Dual rotary dimmer and fan speed control



FIG. 1 is a top, front and left side perspective view illustrating our new design of a rotary dimmer and fan speed control with the broken line showing, for illustrative purposes only, a housing that forms no part of the claimed design;

FIG. 2 is a front elevational view thereof,

FIG. 3 is a right side elevational view, the left side being a mirror image thereof; and,

FIG. 4 is a bottom plan view, the top plan view being a mirror image thereof. 

The ornamental design for a dual rotary dimmer and fan speed control, as shown and described. 